11. Forebrain, Third Ventricle, Related Structure and Cortex Flashcards Preview

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Flashcards in 11. Forebrain, Third Ventricle, Related Structure and Cortex Deck (30)
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1

What makes up the telencephalon?

Cerebral hemispheres

2

What makes up the diencephalon?

Pineal gland
Thalamus
Hypothalamus

3

What is the name for the telencephalon and diencephalon combined?

Prosencephalon or forebrain

4

What do association fibres connect?

Sites within the same hemisphere

5

What do projection fibres connect?

Cerebral cortex to subcortical structures

6

What do commissural fibres connect?

One cerebral hemisphere to the other

7

What is the frontal lobe associated with?

Intelligence
Calculation
Rational

8

What is the temporal lobe associated with?

Articulation

9

What is the parietal lobe associated with?

Handwriting

10

What is the occipital lobe associated with?

Language
Comprehension

11

Where is Broca's area?

Anterior inferior portion of frontal lobe

12

What does damage to Broca's area cause?

Motor/non-fluent aphasia
Laboured speech, missing words
Aware of problem
Dysarthia and dysgraphia

13

Where is Wernicke's area?

Posterior temporal lobe

14

What does damage to Wernicke's area cause?

Sensory/fluent aphasia
Auditory incomprehension
With large lesion, may lose ability to read
Confuse words
Unaware of problem

15

Which lobe is the anterior horn of the lateral ventricles in?

Frontal

16

Which lobe is the body of the lateral ventricles in?

Parietal

17

Which lobe is the inferior horn of the lateral ventricles in?

Temporal

18

Which lobe is the posterior horn of the lateral ventricles in?

Occipital

19

What separates the 2 lateral ventricles?

Septum pellucidum

20

Which meningeal layer is the choroid plexus found in?

Pia mater

21

What is anterior to the third ventricle?

Lamina terminalis

22

What is in the floor of the third ventricle?

Optic chiasma
Infundibulum
Mamillary bodies

23

What is the position of the pineal gland?

In epithalamus above superior colliculus

24

What does the pineal gland secrete?

Melatonin

25

What connects the thalami in the midline?

Interthalamic adhesion

26

What is the posterior pole of the thalamus also known as?

Pulvinar

27

What part of the thalamus is used to relay visual information?

Lateral geniculate body

28

What type of information is relayed from the medial geniculate body?

Auditory

29

What is a sign of thalamic lesion?

Contralateral hemianaesthesia

30

Which cranial nerves carry special sensory information?

1 Smell
2 Vision
7 and 9 Taste
8 Hearing and Balance